.demo-book{box-shadow:0 0 20px rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;max-width:100%}.page{background-color:white;color:#333;border:1px solid #c9c9c9;overflow:hidden;position:relative}.page-content{width:100%;height:100%;display:flex;flex-direction:column;justify-content:space-between;align-items:stretch}.page-image{height:100%;width:100%;background-color:#fafafa}.page-image img{width:100%;height:100%;object-fit:contain}.page-number{text-align:center;font-size:12px;position:absolute;bottom:10px;width:100%}.react-pageflip{perspective:3000px}.react-pageflip .rf-shadow{background:linear-gradient(90deg,rgba(0,0,0,.2) 0,rgba(0,0,0,0))}.stf__parent{position:relative}.stf__block{width:100%;height:100%;perspective:2000px}.stf__block,.stf__item{position:absolute;transform-style:preserve-3d}.stf__item{transform-origin:0 50%;backface-visibility:hidden}@media (max-width:768px){.demo-book{display:none}}